262

and allRight

I’he Use of the Globes-its Parallels cut the Hon 20 * 1

Angles.

8. The Li fe of such a Catalogue of Stars is_verj r ^-

for from hence we learn, (1.) If anyI i me appear, which have never been obsery el jLj lfl s to[f anv Sfar/ wmf'fi nnw/^nnporc shall . foP

new

(2.) If any Star, which now appears, shall - ^

come disappear. (A) If the new Star ' vV ” 1

(3.) If th knew Star

appear be the lame with a Star that has apP ea pet 1 'merly; and therefore, (4.) If the Stars havpj^jyjea 11 *odical Times of Apparition. Hence (5.) *or Method of predicting the Appearing or Dd a Pr c0 (fl^of Stars. (6.) By a Catalogue of the Starspare their refpedtive Places, Situations, and

*• 1 - -> ---? j ,

with Ease. (7.) By this Means we also eon’s

iU 1 '

J

determine the true Places and Motions of chsBodies

i’lanf’Jes

es in general, and of the Sun, Moon, Pl^p^poComets in partipular, with many other uses soIt serves besides. ryfS

9. Now it is actuallyr Fact, that some neWpear, and that others disappear : yea, that

their apparent Magnitude, and disappear by ^ (l^Hipparchus the first of Men observed a new"Years before Christ) which occasioned b' s ■(Catalogue of the Stars. Another is said to haj e ‘3 j,j-ig‘A. D. 130 ; another A. D. 389 ; one excecdsoe^in the 9th Century, and another in the Y ear *

10. But the first new Star, of which ^

good Account, is that in the Chair ot CajjVobserved by Cornelius Gemma on the 9th ol Tj. ,j-^1572, and by Tycho Brake on the nth- ^Newton says it equalled Venus in Brightneis -v ,Appearance, and gradually declined in its ^ S 1 ^totally disappeared in the March following- ■; e Y 6 ‘ 1 'is supposed to be the sains that appeared so 0l - nst945 and 1264, having its Period about 3 1Years. ,. st otW

11. In Aug. 13, 1596, D. Fahricius obsess ^ yl'new Star in the Neck of the Whale; and thr dm17th Century this Star was observed to app ear